Dr. Ryan M. Holthaus
- Gender: Male
- Experience: 20 years
- Graduated from: University Of Iowa, Rj & L Carver College Of Medicine
- Graduation year: 2001
- Sole propriator: No
- NPI: 1609822873
Dr. Ryan M. Holthaus M.D.
Radiologist
He is located at 1010 4th Street Southwest Suite 100 in Mason City, IA 50401. Can help patients with the following: MRI. His National Provider Identifier (NPI) number is 1609822873. Appointment can be made via the phone number (641) 424-0102. He is affiliated with 1 practices and 5 hospitals.
Conditions treated
Dr. Ryan Michael Holthaus, being an radiologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Ryan M. Holthaus.
- MRI
Procedures Performed by Dr. Ryan M. Holthaus
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Ryan M. Holthaus as in-network for the following 2026 plans.
Health plans
Oscar Insurance Company
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 16 plans from Oscar Insurance Company
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic 4700 | MercyOne | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Classic Standard | MercyOne | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Elite + PCP Saver Plus | MercyOne | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Breathe Easy with Enhanced COPD Benefits | MercyOne | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Chronic Care CKM | MercyOne | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Diabetes | MercyOne | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Gold Classic Standard | MercyOne | EPO · Gold | Preferred | Accepting new patients |
| Gold Elite | MercyOne | EPO · Gold | Preferred | Accepting new patients |
| Secure | MercyOne | EPO · Catastrophic | Preferred | Accepting new patients |
| Silver Classic Standard | MercyOne | EPO · Silver | Preferred | Accepting new patients |
| Silver Classic | MercyOne | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple Breathe Easy with Enhanced COPD Benefits | MercyOne | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple Chronic Care CKM | MercyOne | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple Diabetes | MercyOne | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple PCP Saver | MercyOne | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple Women's Health with Menopause Benefits | MercyOne | EPO · Silver | Preferred | Accepting new patients |
Wellmark Health Plan of Iowa, Inc.
Network data as of Sep 8, 2026, as reported by the insurer.
Show all 10 plans from Wellmark Health Plan of Iowa, Inc.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Wellmark Bronze HDHP HMO HSA Qualified | HMO · Expanded Bronze | Wellmark Blue HMO Network | Not accepting new patients |
| Wellmark Bronze Standard | UnityPoint Health | HMO · Expanded Bronze | Wellmark Blue HMO Unitypoint Health Network | Not accepting new patients |
| Wellmark Bronze Traditional HMO | HMO · Expanded Bronze | Wellmark Blue HMO Network | Not accepting new patients |
| Wellmark Gold Primary Care | UnityPoint Health | HMO · Gold | Wellmark Blue HMO Unitypoint Health Network | Not accepting new patients |
| Wellmark Gold Traditional HMO | HMO · Gold | Wellmark Blue HMO Network | Not accepting new patients |
| Wellmark Silver Primary Care | UnityPoint Health | HMO · Silver | Wellmark Blue HMO Unitypoint Health Network | Not accepting new patients |
| Wellmark Silver Traditional HMO | HMO · Silver | Wellmark Blue HMO Network | Not accepting new patients |
| Wellmark Standard Bronze HMO | HMO · Expanded Bronze | Wellmark Blue HMO Network | Not accepting new patients |
| Wellmark Standard Gold HMO | HMO · Gold | Wellmark Blue HMO Network | Not accepting new patients |
| Wellmark Standard Silver HMO | HMO · Silver | Wellmark Blue HMO Network | Not accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Ryan M. Holthaus is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Ryan M. Holthaus is enrolled to bill Medicare as a Practitioner - Diagnostic Radiology .
Bills through: Allen Memorial Hospital Corporation
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Medtronic | $244 |
| Cook Medical | $168 |
| Argon Medical Devices | $67 |
Other
| Food and Beverage | $544 |
Studies
UNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduated in 2001
Affiliated hospitals
Looking for more Radiologists?
Out of the 14 radiologists in this region, here are 10 randomly selected ones for you to explore.
- Gender: Male
- Address: Suite 100 1010 4th Street Southwest Mason City, 50401, IA
- Gender: Male
- Address: Suite 100 1010 4th Street Southwest Mason City, 50401, IA
- Gender: Male
- Address: 1416 6th Street Southwest Mason City, 50401, IA
- Gender: Male
- Address: Suite 100 1010 4th Street Southwest Mason City, 50401, IA
- Gender: Male
- Address: 2305 37th Avenue Southwest Minot, 58701, ND
- Gender: Female
- Address: Suite 100 1010 4th Street Southwest Mason City, 50401, IA
- Gender: Male
- Address: Suite 100 1010 4th Street Southwest Mason City, 50401, IA
- Gender: Male
- Address: Suite 100 1010 4th Street Southwest Mason City, 50401, IA
- Gender: Male
- Address: 1000 4th Street Southwest Mason City, 50401, IA
Questions & Answers
Does Dr. Ryan Michael Holthaus have affiliation with practices?
Dr. Ryan Michael Holthaus is affiliated with Magnetic Resonance Services Partners.
Where can you meet with Dr. Ryan Michael Holthaus?
Dr. Ryan Michael Holthaus's office is located at 1010 4th Street Southwest Suite 100 in Mason City, IA 50401.
Does Dr. Ryan Michael Holthaus accept patients with Oscar Insurance Company?
Yes, Dr. Ryan Michael Holthaus is listed in-network for Oscar Insurance Company through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
What conditions does Dr. Ryan Michael Holthaus treat?
Dr. Ryan Michael Holthaus provides treatment for MRI.
Has Dr. Ryan Michael Holthaus affiliation with hospitals?
Dr. Ryan Michael Holthaus is affiliated with MERCY MEDICAL CENTER-NORTH IOWA. For the full list of hospitals see this list.